THS4551: Conflict of headroom

Xiaoqiang Shen

Part Number: THS4551

why it mentioned 0.55V headroom in table, but 0.2V in below description?

0 Michael Steffes over 3 years ago

Guru 48395 points

The 0.2V headroom is for the output pin circuitry, the 0.55 headroom to the negative supply is in the common mode control circuitry.

0 Xiaoqiang Shen over 3 years ago in reply to Michael Steffes

It means input voltage of VOCM should be higher than 0.55V, right?

+1 Michael Steffes over 3 years ago in reply to Michael Steffes

Guru 48395 points

that is correct

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